<div class="bir">W3TR</div>
<div class="iki">W3TR</div>
div {
    position: relative;
    height: 100px;
    width: 100px;
    background-color: green;
    -webkit-transform: rotateY(180deg);  /* Chrome, Safari, Opera */
    transform: rotateY(180deg);
    color: white;
}
.bir {
   -webkit-backface-visibility: hidden;  /* Chrome, Safari, Opera */
    backface-visibility: hidden;
}
.iki {
    -webkit-backface-visibility: visible;  /* Chrome, Safari, Opera */
    backface-visibility: visible;
}

External CSS

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External JavaScript

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